public void CardsTransation()
{
DeckManager dm = createDM();
var deckID = dm.CreateDeck("测试卡组");
var instID1 = dm.AddCard(deckID, 1000);
var instID2 = dm.AddCard(deckID, 1001);
// 进入事务
dm.EnterTransaction();
var instID3 = dm.AddCard(deckID, 1003);
dm.RemoveCard(instID1);
Assert.AreEqual(-1, dm.GetCardID(instID1));
Assert.AreEqual(1003, dm.GetCardID(instID3));
// 尝试回滚
dm.Rollback();
Assert.AreEqual(1000, dm.GetCardID(instID1));
Assert.AreEqual(-1, dm.GetCardID(instID3));
// 进入事务
dm.EnterTransaction();
instID3 = dm.AddCard(deckID, 1003);
dm.RemoveCard(instID2);
Assert.AreEqual(-1, dm.GetCardID(instID2));
Assert.AreEqual(1003, dm.GetCardID(instID3));
// 提交
dm.Commit();
Assert.AreEqual(-1, dm.GetCardID(instID2));
Assert.AreEqual(1003, dm.GetCardID(instID3));
}